Health workers wash their hands after taking a blood sample from a child to test for the Ebola virus. On Tuesday, the workers tested people in the village outside Monrovia where a 17-year-old boy died of the disease over the weekend.
Abbas Dulleh /AP
Airport guards go on patrol wearing masks at Gimpo International Airport in Seoul on Friday. South Korea has announced one more death, but no new cases of the Middle East Respiratory Syndrome coronavirus.